[PATCH] Add a VFSFromYAML class and a parser to create it

[Dmitri Gribenko]

On Fri, Feb 21, 2014 at 12:34 AM, Ben Langmuir <blangmuir at apple.com> wrote:
>
> On Feb 20, 2014, at 4:11 PM, Ben Langmuir <blangmuir at apple.com> wrote:
>> We could use the YAML version string
>> %YAML 1.2
>
> Actually, if we go this route we should encode our own version number in the same place for compactness.  In YAML, we could use a tag for this
>
> %TAG ! tag:vfs-yaml-file,version:1234
>
> Where 1234 is a made up version number for our vfs format.

Then we would need to make sure to use this tag, otherwise its
presence or absence should not affect the semantics of the file, I
think.

But I don't see why is it a big deal to add 'version': 1, since both
of these solutions will increase the size of file by one line.  Adding
a field looks simpler, more easily understandable, and keeps
compatibility with JSON.

Dmitri

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